wangyang0918 commented on code in PR #160:
URL:
https://github.com/apache/flink-kubernetes-operator/pull/160#discussion_r845685451
##########
flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/utils/EnvUtils.java:
##########
@@ -68,4 +90,102 @@ public static String getRequired(String key) {
}
return value;
}
+
+ /**
+ * Logs information about the environment, like code revision, current
user, Java version, and
+ * JVM parameters.
+ *
+ * @param log The logger to log the information to.
+ * @param componentName The component name to mention in the log.
+ * @param commandLineArgs The arguments accompanying the starting the
component.
+ */
+ public static void logEnvironmentInfo(
+ Logger log, String componentName, String[] commandLineArgs) {
+ if (log.isInfoEnabled()) {
+ EnvironmentInformation.RevisionInformation rev =
getRevisionInformation();
+ String javaHome = System.getenv("JAVA_HOME");
+ String inheritedLogs = System.getenv("FLINK_INHERITED_LOGS");
+ String arch = System.getProperty("os.arch");
+ long maxHeapMegabytes = getMaxJvmHeapMemory() >>> 20;
+ if (inheritedLogs != null) {
+ log.info(
+
"--------------------------------------------------------------------------------");
+ log.info(" Preconfiguration: ");
+ log.info(inheritedLogs);
+ }
+ log.info(
+
"--------------------------------------------------------------------------------");
+ log.info(
+ " Starting "
+ + componentName
+ + " (Version: "
+ + getProjectVersion()
+ + ", Flink Version: "
+ + getVersion()
+ + ", Scala: "
+ + getScalaVersion()
+ + ", "
+ + "Rev:"
+ + rev.commitId
+ + ", "
+ + "Date:"
+ + rev.commitDate
+ + ")");
+ log.info(" OS current user: " + System.getProperty("user.name"));
+ log.info(" Current Hadoop/Kerberos user: " + getHadoopUser());
+ log.info(" JVM: " + getJvmVersion());
+ log.info(" Arch: " + arch);
+ log.info(" Maximum heap size: " + maxHeapMegabytes + " MiBytes");
+ log.info(" JAVA_HOME: " + (javaHome == null ? "(not set)" :
javaHome));
+ String hadoopVersionString = getHadoopVersionString();
Review Comment:
We do not need the hadoop related information.
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